Concise hierarchy
	(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Falconiformes - (Family) Cathartidae
Excluded, by definition, from branch-based clade
Original position
Original entries
Current position
	Alternative positions
	
				Historical positions
				
					
						| Cathartidae (Family) Lafresnaye, 1839 | Ref: 
								
									E.C. Dickinson, 2003: 93. | 
						
							| Cathartinae (Subfamily) Lafresnaye, 1839 | Ref: 
									
										B.L. Monroe Jr. & C.G. Sibley, 1993: 133. | 
							
								| Cathartidae (Family) Lafresnaye, 1839 | Ref: 
										
											C.M. Perrins, 1991 (1990): 369. | 
								
									| Cathartidae (Family) Lafresnaye, 1839 | Ref: 
											
												W.J. Bock, 1982: 976. | 
									
										| Cathartidae (Family) Lafresnaye, 1839 | Ref: 
												
													E. Mayr & G.W. Cottrell, 1979 | 
										
											| Cathartidae (Family) Lafresnaye, 1839 | Ref: 
													
														B. Grzimek et al., 1973 (1968): 582. | 
											
												| Vulturinae (Subfamily) Illiger, 1811 | Ref: 
														
															P. Brodkorb, 1964: 253. | 
												
													| Accipitres (Order) Linnaeus, 1758 | Ref: 
															
																C. a Linné, 1766: 117, 121. | 
													
														| Accipitres (Order) Linnaeus, 1758 | Ref: 
																
																	C. Linnaeus, 1758: 83, 86.
																 [new taxon] | 
													
													Number of Subtaxa